Can a 13-Year-Old Consent to Mental Health Treatment in Washington?

Thirteen is young to be making medical decisions. Washington's legislature decided it is exactly the right age to start, at least where mental health is concerned. The Law Office of Chad Foster helps Snohomish County clients with child custody, support, and parentage matters.

Yes. In Washington, a minor who is 13 or older can consent to their own outpatient mental health treatment. RCW 71.34.530 says it directly: any adolescent may request and receive outpatient treatment without the consent of the adolescent's parent. Under age 13, the rule flips, and a parent or authorized adult must consent. The same age line runs through the whole of Washington's minor behavioral health system, from counseling to inpatient admission. Here is what a 13-year-old can and cannot consent to, what parents are told, and how families can work with the rules instead of against them.

Can a 13-Year-Old Consent to Mental Health Treatment in Washington: At a Glance
Three practical points explained in this guide.
Key point 1
The Statute and the Age Line
Chapter 71.34 RCW, Washington's behavioral health act for minors, defines an adolescent as a minor 13 years of age or older, and hangs a series of consent rights on that definition.
Key point 2
What This Means for Parents
Outpatient treatment initiated by an adolescent does not come with a statutory notification to parents, and the treatment records generally follow the consent: an adolescent who consented to their own care holds the privacy rights in it.
Key point 3
Divorced and Separated Parents: The Extra Layer
For families with a parenting plan, the age 13 consent rules interact with the plan's decision-making provisions.
Use these checkpoints as an overview, then read the sections below for details that may apply to your situation.

The Statute and the Age Line

Chapter 71.34 RCW, Washington's behavioral health act for minors, defines an adolescent as a minor 13 years of age or older, and hangs a series of consent rights on that definition. For outpatient care, RCW 71.34.530 gives the adolescent the whole decision: a 13-year-old can call a therapist, request treatment, and receive it, no parental signature required. For minors under 13, the statute requires authorization from a parent or from a person entitled to consent on the minor's behalf under Washington's informed consent statute, RCW 7.70.065. For related guidance, see Can My Teenager Admit Themselves to Mental Health Treatment Without My Consent.

The outpatient right covers the everyday territory families actually encounter: counseling, therapy, medication management visits with prescribers who accept adolescent consent, school-linked mental health services, and substance use disorder counseling. It means the eighth grader who asks the school counselor for help can be connected to treatment that day, whether or not anyone can reach a parent, and whether or not the parent would say yes. For related guidance, see Can I Put My Teen Into Treatment in Washington If They Refuse to Go.

Inpatient care has a parallel rule with an extra check: under RCW 71.34.500, an adolescent may voluntarily admit themselves to inpatient treatment, but only if the facility's professional person concurs that inpatient care is medically necessary and that nothing less restrictive would work. That side of the system, including the parental notice rules, is covered in can my teenager admit themselves to mental health treatment without my consent.

What This Means for Parents

The part that surprises parents most is not the consent, it is the quiet. Outpatient treatment initiated by an adolescent does not come with a statutory notification to parents, and the treatment records generally follow the consent: an adolescent who consented to their own care holds the privacy rights in it. A parent may learn of months of counseling only when an insurance statement arrives, and a therapist who declines to share session content with a parent is usually following the law, not hiding something.

It helps to understand what the rule is for. Adolescents facing depression, anxiety, gender and identity questions, family conflict, or abuse at home frequently will not seek help if a parent must approve first. The consent statute is a door that stays open for exactly those kids. Most therapists working with adolescents actively encourage family involvement once trust is established, because treatment works better with parents in the picture, but the law lets the work begin either way.

Parents of children under 13 remain fully in charge of consent, and for adolescents, parents retain their own statutory tools when they, rather than the teen, are the ones pushing for care: Washington's parent-initiated treatment process allows a parent to obtain evaluation and treatment for a resistant adolescent, explained in can I put my teen into treatment in Washington if they refuse to go.

Divorced and Separated Parents: The Extra Layer

For families with a parenting plan, the age 13 consent rules interact with the plan's decision-making provisions. A parenting plan may give one parent sole health care decision-making, or require joint decisions, and those provisions still govern the decisions parents make. But an adolescent's self-consented outpatient treatment is not a parental decision at all, so neither parent needs the other's agreement for the teen to start counseling the teen requested. That distinction defuses a common post-divorce accusation, that one parent "put the child in therapy" without consulting the other, when in fact the child put themselves there.

Records follow similar logic. Between parents, Washington gives both full and equal access to a child's health records under the rules described in can I get my child's school and medical records if I'm not the primary parent, but records of care an adolescent consented to on their own sit largely under the adolescent's control, for both parents equally. A parent who believes therapy is being weaponized in a custody fight, or concealed in bad faith, should raise it with counsel rather than pressuring the provider.

Where the Consent Lines Sit Elsewhere in Washington Law

The age 13 behavioral health rule is one line among several that families encounter, and keeping them straight prevents confusion at clinic counters. General medical care follows the ordinary rule: parents consent for minors, with the mature minor doctrine and specific statutes carving exceptions. Substance use disorder treatment tracks the behavioral health framework for adolescents. Certain sensitive categories of care carry their own access rules designed, like the mental health provision, to keep care available to young people who cannot safely involve a parent. The pattern across all of them is deliberate: Washington calibrates consent age by the kind of care and the consequence of requiring parental involvement, rather than using one age for everything. For parents, the practical takeaway is to ask providers directly which consent framework applies to a given service, and to remember that a provider following a minor-consent statute is complying with the law, not making a statement about your parenting.

Working With the Rule

For parents, the practical playbook is short. Keep the relationship, because at 13 and beyond, your influence flows through trust rather than signatures. Offer logistics, since a consenting teen still usually needs rides, insurance information, and payment, and providing them keeps you connected to the care. Respect the therapeutic space, and ask the therapist how you can support treatment rather than demanding transcripts of it. And if you believe your adolescent needs more care than they will accept, use the statutes built for you, parent-initiated treatment and, in true crises, the involuntary system, rather than trying to override consent rights the law does not give you.

The Law Office of Chad Foster helps Snohomish County families navigate the legal side of adolescent mental health, from parenting plan provisions that anticipate these issues to disputes over treatment decisions after separation. Call 425.785.8679 to talk through your situation.

Need help with a child custody or support matter in King or Snohomish County? Learn about our child custody and support services, or call 425.785.8679 for a consultation.